Ben chose C as the correct answer. How did he get that answer?
Answer in complete sentences.

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?

What is the best estimate of the length of a football

Graph each quadratic function and identify its key characteristics. f(x) = x^2 - 2x - 3